It’s the second time that I ________ to Shanghai.-What great changes！It’s ten years since I ________ it last time.[ ]

The elevator _________ and we were trapped inside for half an hour.

How long has Li Hai —Since two years ago.

It shouldn’t take long to clear up afterthe party if we all volunteer to help.—That’s right. ________.

We need a new leader for our Helping Hands Club, but I don’t know ______.— Why not Amy She is always willing to help others.